| Patents for G05D 16 - Control of fluid pressure (11,321) |
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| 07/25/1991 | DE4001329A1 Gas unit with pressure regulator - has servo controlled stage with safety valves for full isolation |
| 07/24/1991 | EP0438184A1 Apparatus for effecting extraction |
| 07/24/1991 | EP0437837A2 Gas fittings with pressure regulator |
| 07/24/1991 | EP0437811A2 Gas pressure regulator |
| 07/24/1991 | CN2081465U Windward side topping outer adjusting straight automatic voltage-stabilizing by-pass valve |
| 07/23/1991 | US5033505 Pressure regulator and method of assembling same |
| 07/23/1991 | US5033496 Current to pressure transducer |
| 07/18/1991 | DE4037824A1 Hydraulische stelleinrichtung Hydraulic adjustment device |
| 07/17/1991 | EP0436899A2 Constant current vacuum regulator |
| 07/17/1991 | EP0436816A2 Connection of a closing member to a membrane |
| 07/16/1991 | US5031674 Fluid flow control method and apparatus for minimizing particle contamination |
| 07/16/1991 | US5031663 Pressure control valve device |
| 07/16/1991 | CA1286194C Reducing valve |
| 07/16/1991 | CA1286192C Modulating pressure operated pilot relief valve |
| 07/10/1991 | CN2080604U 静止减压阀 Stationary valve |
| 07/09/1991 | US5029609 Pressure reducing valve with flow forces compensation |
| 07/04/1991 | DE4041412A1 Electronically-controlled automatic transmission gearing - provides potential difference compsn. between earthing connections and signals controlling current in linear magnets |
| 07/04/1991 | DE3943370A1 Pneumatic wt. balancer with control block - maintains base pressure dependent on applied wt. as control pressure for automatic wt. control |
| 07/03/1991 | EP0435112A2 Valve |
| 07/03/1991 | CN1052720A 流量控制系统 Flow control system |
| 07/03/1991 | CN1013018B Pressure-controlling method |
| 07/02/1991 | US5027919 Fluid friction controller |
| 07/02/1991 | US5027852 Safety relief system |
| 07/02/1991 | US5027847 Pneumatic valve actuator sequencing control system and sequencing relay device incorporated therein |
| 06/26/1991 | EP0434598A1 Diaphragm control valve |
| 06/26/1991 | EP0433791A1 Actuator for a feeding valve |
| 06/26/1991 | EP0433673A1 Pressure control valve |
| 06/26/1991 | EP0433595A1 Gas fittings |
| 06/26/1991 | CN1052540A Adjustable static pressure-reducing valve |
| 06/25/1991 | CA1285155C Pressure transmitter |
| 06/18/1991 | US5024294 Differential pressure transducer |
| 06/13/1991 | WO1991008531A1 Vacuum regulator with antibinding valve stem connector assembly and method |
| 06/12/1991 | CN1052040A Massage therapy instrument with automatic regultion of pressure and cupping therapy at jing points |
| 06/11/1991 | US5022717 Pressure control unit, especially for motor vehicle brake systems |
| 06/11/1991 | US5022587 Battery powered nebulizer |
| 06/11/1991 | US5022435 Gas regulator with safety device |
| 06/11/1991 | US5022432 Bubbler valve |
| 06/11/1991 | US5022425 Sensitive electrical to mechanical transducer |
| 06/06/1991 | DE4036584A1 Vehicle steering accumulator loading valve for elevated pressures |
| 06/04/1991 | US5020564 Doser system for regulating pressure in a control chamber of a test stand |
| 06/04/1991 | CA1284609C Manually-operable fluid pressure regulating valve device |
| 05/30/1991 | WO1991007712A1 Simple surge control for compressors with improved response |
| 05/29/1991 | EP0429275A1 A fluid distributor, especially for a pressure wave mattress |
| 05/29/1991 | EP0428901A1 Pressure reducer which can be neutralised |
| 05/28/1991 | US5019757 Method and apparatus for controlling a blower motor in an air handling system to provide constant pressure |
| 05/28/1991 | US5018797 Fluid pressure controller |
| 05/28/1991 | US5018386 Method for testing pressurized water systems |
| 05/21/1991 | US5016672 Steering controller with integral parallel control |
| 05/21/1991 | US5016665 Method and apparatus of isolating pneumatic panels in liquid application systems |
| 05/16/1991 | WO1991006336A1 Pressure sensor control device for supplying oxygen |
| 05/15/1991 | CN2077069U High magnetic energy-saving voltage regulator |
| 05/14/1991 | US5014747 Pressure control valve |
| 05/14/1991 | US5014733 Fluid pressure source |
| 05/14/1991 | CA1284081C Modulating hydraulic pressure control valve and assembly method therefor |
| 05/14/1991 | CA1284080C Pressure reducer-regulator for the distribution of a gaseous, liquid, viscous, powdery or pasty product |
| 05/14/1991 | CA1284079C Fluid pressure regulating valve having adjustable two-stage and natural-lp gas changeover capabilities |
| 05/08/1991 | DE4034628A1 Gas pressure reducing valve - uncouples from diaphragm and shuts under excess pressure |
| 05/08/1991 | DE4034627A1 Gas-pressure-reducing valve - has quick-action mechanism increasing pressure loss under excess pressure |
| 05/08/1991 | CN2076631U 减压阀 Valve |
| 05/07/1991 | US5014031 Ultra precision pressure regulator |
| 05/03/1991 | WO1991006898A1 Dual mode pneumatic control system |
| 05/01/1991 | CN1012514B Automatic water supplying device and method for controlling same |
| 04/30/1991 | US5011114 Control valve with displacement-compensating seal |
| 04/30/1991 | US5011112 Incremental electrically actuated valve |
| 04/30/1991 | US5010844 Vacuum-pressure supply device |
| 04/23/1991 | US5009249 Valve for fluid container |
| 04/23/1991 | US5009245 Pressure regulator |
| 04/17/1991 | EP0422025A1 Method and device for regulating the spraying of coating materials. |
| 04/17/1991 | CN2075291U Safety pressure reducing valve for alarm of air leakage |
| 04/17/1991 | CN1050756A Power transmission |
| 04/10/1991 | EP0421826A2 Pressure balancing device of a submerged gas volume, especially for a submerged loudspeaker |
| 04/09/1991 | US5006227 Volumetric flow controller for aerosol classifier |
| 04/09/1991 | US5005353 Active control of unsteady motion phenomena in turbomachinery |
| 04/03/1991 | EP0420720A1 Pressurised gas bottle with a controlled gas delivery system |
| 04/03/1991 | EP0420603A2 Pressure regulator |
| 04/03/1991 | EP0420599A2 Flow control system |
| 04/03/1991 | EP0419984A2 Electrohydraulic control of a hydraulic machine |
| 04/02/1991 | US5004440 Pressure control valve |
| 04/02/1991 | CA1282396C Incremental electrically actuated valve |
| 03/28/1991 | CA2026221A1 Pressure regulator and method of assembling same |
| 03/27/1991 | EP0418982A1 A pressure reducing valve with flow forces compensation |
| 03/26/1991 | US5002475 Reaction injection molding apparatus |
| 03/26/1991 | US5002091 Proportional pressure reducing valve |
| 03/26/1991 | US5002089 Variable area refrigerant expansion device for heating mode of a heat pump |
| 03/26/1991 | US5002087 Multipurpose valve |
| 03/26/1991 | CA1281896C Method of and apparatus for supplying coating agent to coating robot |
| 03/21/1991 | WO1991003781A1 Flow control system |
| 03/20/1991 | EP0417882A2 Improvements in and relating to gas pressure regulators |
| 03/20/1991 | CN2073518U Adjustable auto-close decompressing valves for lpg |
| 03/19/1991 | US5000221 Flow control system |
| 03/19/1991 | US5000214 Safety device and method |
| 03/19/1991 | CA1281609C Self-regulated pressure control valve |
| 03/13/1991 | EP0416111A1 Device for controlling electromagnetic device having a proportional solenoid |
| 03/12/1991 | US4998914 Procedure for the perfusion of cavities in objects and device for executing the procedure |
| 03/12/1991 | US4998862 Air compressor pressure regulating valve system |
| 03/12/1991 | US4998557 Plunger-type fuel pressure regulator |
| 03/07/1991 | DE4026850A1 Filtering signal with information and carrier frequency components - measuring information signal amplitude by frequency double that of carrier frequency |
| 03/06/1991 | EP0415784A2 Gas flow control system |
| 03/05/1991 | US4997459 Safety |
| 03/02/1991 | CA2023941A1 Gas flow control system |